Downspout extension



FIG. 1 is a first perspective view of a downspout extension showing my new design;

FIG. 2 is a second perspective view of the downspout extension;

FIG. 3 is a top plan elevation view of the downspout extension;

FIG. 4 is a bottom plan view of the downspout extension;

FIG. 5 is a left side elevation view of the downspout extension;

FIG. 6 is a front elevation view of the downspout extension; and,

FIG. 7 is a rear elevation view of the downspout extension.

The right side elevation view is a mirror image of the left side elevation view.

All features shown in broken lines are not part of the design sought to be patented. 

The ornamental design for a downspout extension, as shown and described. 